संस्‍कृतशब्‍दकोशः

ऐकाहिक

एक दिन का‚ अनित्य‚ इत्वर‚ एक दिन का (याग‚ ज्वर आदि)

ephemeral, lasting for one day (a sacrifice, fever etc)

Monier–Williams

ऐकाहिक — {aíkāhika} mf({ī})n. (fr. {ekâha}), lasting one day, ephemeral, quotidian (as fever)##belonging to an Ekāha (q.v.) sacrifice &c